IPC Main Group
E05B 23/00 Locks with rotary keys moving lamelliform tumblers perpendicular to the key, in which the tumblers follow the movement of the bolt
Introduced: September 1968
Last revised: January 2006
Classification Context
- Section:
- FIXED CONSTRUCTIONS
- Class:
- LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- Subclass:
- LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
Filing statistics
IPC E05B 23/00 belongs to the parent subclass E05B, which recorded 167,200 patent applications worldwide between 2013 and 2023. Annual filings grew from 10,445 in 2013 to 14,510 in 2023 (+39%), peaking at 19,653 applications in 2020. The most active applicants in class E05 are KIEKERT (2,762 applications), HYUNDAI MOTOR COMPANY (1,316 applications) and JULIUS BLUM (1,088 applications).
Source: EPO PATSTAT, worldwide filings
Top Applicants
Top 10 applicants by patent filingsfor class E05, 2013–2023, worldwide · Source: EPO PATSTAT
- KIEKERT DE 2,762
- HYUNDAI MOTOR COMPANY KR 1,316
- JULIUS BLUM AT 1,088
- FORD GLOBAL TECHNOLOGIES US 1,061
- HAIER SMART HOME 936
- KIA MOTORS CORPORATION KR 909
- HUF HUELSBECK & FUERST & COMPANY DE 887
- LG ELECTRONICS KR 872
- TOKAI RIKA COMPANY 813
- GEZE DE 807